I was a guest on the Chaser Chat podcast with Gabriel Harber: I talk primarily about my recent high resolution supercell simulations and the problems we’re trying to solve in understanding tornadoes and supercells. I am one of several people interviewed by Dakota Smith 100th AMS Annual Meeting. Computing in Science Engineering, 23, 14–24.ĪMS On The Air interview (from the 100th Annual AMS meeting in Boston, 1/2020). New paper published describing recent research conducted on the NSF-sponsored Frontera supercomputer: Orf, L., 2021: Modeling the World’s Most Violent Thunderstorms. Seminar, UW-Madison, Department of Atmospheric and Oceanic Sciences “Hydraulic jump dynamics associated with Above Anvil Cirrus Plumes” New page dedicated to AACP research, contains recent talk: Much of this material was not produced by myself, but includes interviews and video of storm simulations.ĪMS 2022 talk, “The Use of Lossy Compression to Enable Breakthrough Science in Cloud Modeling” Under the Education tab you can find videos and other information specifically designed for a general audience. For other presentations I have given since 2014, please see my youtube channel, which contains all of the video material I have created, which is a mix of scientific and general public presentations. Selected presentations are found below in reverse chronological order. Thus far this effort has been focused primarily on the El Reno event, initializing the CM1 model with a RUC sounding representative of the actual environment adjacent to the storm that produced the observed EF5 tornado. Some of these simulations contain long lived tornadoes producing near-surface winds exceeding 300 mph. What makes this work significant is the use of supercomputing resources to produce simulations of supercells where data is saved with extremely high spatial and temporal resolution, and the use of visualization techniques (such as volume rendering and trajectory clouds) to produce video that exposes the highly variable flow features that occur throughout the life of the simulated storms. The goal of this research is to understand the internal workings of supercell thunderstorms well enough to significantly improve our forecasting of their behavior. This site is primarily a collection of media highlighting my research on supercell thunderstorms and tornadoes. I am an atmospheric scientist with the Cooperative Institute for Meteorological Satellite Studies (CIMSS) / Space Science and Engineering Center (SSEC) at the University of Wisconsin.
Quick links: ResearchGate Google Scholar ORCID YouTube Channel LOFS
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